Factor the numerator and the denominator of a rational expression using advanced methods, and cancel out common terms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...

Use picture graphs to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.B.3 Draw a scaled picture graph and a scaled bar...

Students can practice analyzing structure with linear inequalities with these multiple-choice practice problems.

Add two vectors in magnitude and direction form to get a new vector in component form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve geometry problems with various triangles by using all you know about similarity and congruence. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given two similar triangles and some of their side lengths, find a missing side length. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given two triangles, determine whether they are congruent and use that to find missing angle measures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given two similar triangles and some of their side lengths, find a missing side length. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given one side length and an acute angle in a right triangle, find another side using trigonometry. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

See a good example of a mathematical construct that is a fractal known as a Sierpinski gasket.

In this nine-problem exercise, students are presented with a reference for the dinosaur leg. They practice with this before moving onto real shading packets.

Introduction to this lesson where you will build a simple snowman model and rig it using javascript. Then you can extend the model to create your own character in the final project. It provides an overview of the lesson and what you need...

Welcome to the Character Modeling topic! In this topic, we'll explore how clay models are transformed into digital characters using weighted averages. It includes two lessons: Lesson 1: Modeling with subdivision surfaces (appropriate for...

This is a hands on activity designed to follow the first lesson on string art. Students will use needle and thread to create interesting string art designs. Specific steps are provided with suggested times for each. The activity is most...

This is a six-problem quiz/practice to help understand what a color gamut is and why it is important.

This unit overview provides information about heart failure. This information is intended for college students who are taking courses in the health and medical fields.

It might look like a solid object, but the Sun is very different from Earth. Find out what it's made of, and how reactions inside the Sun generate all that energy and drive powerful solar storms. Try this quiz!

Learn about the basic requirements to become a police officer and opportunities to progress in this career.

Learn about the basic requirements and training required to become a firefighter.

"The Valley of Mexico from the Hillside of Santa Isabel" by Velasco represents an important period in the development of Mexico's national identity and an important chapter in the history of Mexican art. Velasco's landscapes became...

Video and short article discussing the history and features of the Duccio's Madonna and Child. [4:46]

Article discussing early forms of writing in the Ancient Near East. Includes links to additional information.

A short introduction to the ancient Near East, followed by sections providing an in-depth coverage. Includes links to additional information.

In this exercise, students practice finding absolute values. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.